3N0W

Crystal structure of a branched chain amino acid ABC transporter periplasmic ligand-binding protein (Bxe_C0949) from BURKHOLDERIA XENOVORANS LB400 at 1.88 A resolution

Experimental procedure

Experimental method	MAD
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	CCD
Collection date	2010-01-24
Detector	MARMOSAIC 325 mm CCD
Wavelength(s)	0.91162,0.97915,0.97898
Spacegroup name	P 1 21 1
Unit cell lengths	48.545, 58.269, 145.338
Unit cell angles	90.00, 98.96, 90.00

Refinement procedure

Resolution	29.134 - 1.880
R-factor	0.193
Rwork	0.191
R-free	0.23300
Structure solution method	MAD
RMSD bond length	0.018
RMSD bond angle	1.517
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	SHELX
Refinement software	REFMAC (5.5.0109)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	29.134	29.134	1.970
High resolution limit [Å]	1.880	4.080	1.900
Rmerge	0.070	0.030	0.558
Number of reflections	62570	11992	7664
<I/σ(I)>	6.93	18.9	1.4
Completeness [%]	91.9	92.2	57.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.86	293	14.0000% polyethylene glycol monomethyl ether 2000, 0.0100M nickel (II) chloride, 0.1M TRIS pH 8.86, NANODROP', VAPOR DIFFUSION, SITTING DROP, temperature 293K